Wash. Admin. Code § 288-06-030
Requests for an adjudicative proceeding must be made in writing to the board within twenty-one days of receiving notice of a certification or decertification action. Requests may be made by:
[Statutory Authority: RCW 36.110.060 and chapter 34.05 RCW. WSR 98-17-004, § 288-06-030, filed 8/6/98, effective 9/6/98.]